Watch case and electronic device

Abstract

A watch case, including a first connecting member which is provided with an annular groove and connected to a second connecting member, a magnetic conductive sheet, a coil, and a support portion, wherein at least a part of the second connecting member covers an opening of the groove; the magnetic conductive sheet; the coil is disposed in an annular manner and disposed on a side that is of the magnetic conductive sheet and that is away from the bottom of the groove, an inner boundary of the magnetic conductive sheet exceeds an inner boundary of the coil, and a part that is of the magnetic conductive sheet and that exceeds the inner boundary of the coil is a first component portion; and the support portion is disposed in an annular manner and disposed between the first component portion and the second connecting member.

What is claimed is: 
     
         1 . A watch case, comprising:
 a first connecting member including an annular groove;   a second connecting member connected to the first connecting member, wherein at least a part of the second connecting member covers an opening of the annular groove;   a magnetic conductive sheet disposed in an annular manner, the magnetic conductive sheet being disposed at a bottom of the annular groove;   a coil disposed in an annular manner, and disposed on a side of the magnetic conductive sheet that is away from the bottom of the annular groove, wherein a first component portion of the magnetic conductive sheet exceeds an inner boundary of the coil; and   a support portion disposed in an annular manner, and disposed between the first component portion and the second connecting member.   
     
     
         2 . The watch case according to  claim 1 , further comprising:
 a first adhesive layer disposed on a side surface of the magnetic conductive sheet that is away from the bottom of the annular groove, the coil is bonded to the magnetic conductive sheet through the first adhesive layer, and the support portion is bonded to the magnetic conductive sheet through the first adhesive layer.   
     
     
         3 . The watch case according to  claim 2 , wherein a material of the first adhesive layer comprises a silicone adhesive, a phenolic resin adhesive, a urea-formaldehyde resin adhesive, a temperature-resistant epoxy adhesive, or a polyimide adhesive. 
     
     
         4 . The watch case according to  claim 1 , wherein a second component portion of the magnetic conductive sheet exceeds an outer boundary of the coil; and
 the watch case further comprises:   a first bonding portion disposed in an annular manner, and disposed between the second component portion and the second connecting member.   
     
     
         5 . The watch case according to  claim 4 , wherein a first gap is disposed between the magnetic conductive sheet and a side wall of the annular groove, and a part of the first bonding portion is filled in the first gap. 
     
     
         6 . The watch case according to  claim 1 , wherein:
 a surface of the coil that is away from the magnetic conductive sheet is closer to the magnetic conductive sheet than a surface of the support portion that is away from the magnetic conductive sheet;   an edge part of a surface of the coil that is away from the bottom of the annular groove, a side surface of the support portion facing the coil, and the second connecting member enclose a first sub-cavity; and   the watch case further comprises:
 a second bonding portion disposed in an annular manner, wherein the second bonding portion is filled in the first sub-cavity. 
   
     
     
         7 . The watch case according to  claim 6 , wherein a second gap is disposed between the coil and the support portion, and a part of the second bonding portion is filled in the second gap. 
     
     
         8 . The watch case according to  claim 1 , wherein a material of the support portion comprises a magnetic material. 
     
     
         9 . The watch case according to  claim 1 , wherein the second connecting member comprises a first sub-portion and a second sub-portion that are integrally disposed, the second sub-portion is arched relative to the first sub-portion in a direction away from the first connecting member, the first sub-portion covers a surface of the coil that is away from the bottom of the annular groove, and the second sub-portion covers a surface of the support portion that is away from the bottom of the annular groove. 
     
     
         10 . An electronic device, comprising:
 a watch case, comprising:
 a first connecting member including an annular groove; 
 a second connecting member connected to the first connecting member, wherein at least a part of the second connecting member covers an opening of the annular groove; 
 a magnetic conductive sheet disposed in an annular manner, the magnetic conductive sheet being disposed at a bottom of the annular groove; 
 a coil, disposed in an annular manner, and disposed on a side of the magnetic conductive sheet that is away from the bottom of the annular groove, wherein a first component portion of the magnetic conductive sheet exceeds an inner boundary of the coil; and 
 a support portion disposed in an annular manner, and disposed between the first component portion and the second connecting member; 
 wherein the first connecting member in the watch case is further provided with a first opening, and the annular groove of the first connecting member is provided around the first opening; and the second connecting member in the watch case is provided with a second opening, and the second opening is connected to the first opening; and 
   a sensor disposed on a side of the first connecting member that is away from the second connecting member, wherein the first opening and the second opening expose at least a part of the sensor.   
     
     
         11 . The electronic device according to  claim 10 , further comprising:
 a first adhesive layer disposed on a side surface of the magnetic conductive sheet that is away from the bottom of the annular groove, the coil is bonded to the magnetic conductive sheet through the first adhesive layer, and the support portion is bonded to the magnetic conductive sheet through the first adhesive layer.   
     
     
         12 . The electronic device according to  claim 11 , wherein a material of the first adhesive layer comprises a silicone adhesive, a phenolic resin adhesive, a urea-formaldehyde resin adhesive, a temperature-resistant epoxy adhesive, or a polyimide adhesive. 
     
     
         13 . The electronic device according to  claim 10 , wherein a second component portion of the magnetic conductive sheet exceeds an outer boundary of the coil; and
 the watch case further comprises:
 a first bonding portion disposed in an annular manner, and disposed between the second component portion and the second connecting member. 
   
     
     
         14 . The electronic device according to  claim 13 , wherein a first gap is disposed between the magnetic conductive sheet and a side wall of the annular groove, and a part of the first bonding portion is filled in the first gap. 
     
     
         15 . The electronic device according to  claim 10 , wherein:
 a surface of the coil that is away from the magnetic conductive sheet is closer to the magnetic conductive sheet than a surface of the support portion that is away from the magnetic conductive sheet;   an edge part of a surface of the coil that is away from the bottom of the annular groove, a side surface of the support portion that faces the coil, and the second connecting member enclose a first sub-cavity; and   the watch case further comprises:
 a second bonding portion disposed in an annular manner, wherein the second bonding portion is filled in the first sub-cavity. 
   
     
     
         16 . The electronic device according to  claim 15 , wherein a second gap is disposed between the coil and the support portion, and a part of the second bonding portion is filled in the second gap. 
     
     
         17 . The electronic device according to  claim 10 , wherein a material of the support portion comprises a magnetic material. 
     
     
         18 . The electronic device according to  claim 10 , wherein the second connecting member comprises a first sub-portion and a second sub-portion that are integrally disposed, the second sub-portion is arched relative to the first sub-portion in a direction away from the first connecting member, the first sub-portion covers a surface of the coil that is away from the bottom of the annular groove, and the second sub-portion covers a surface of the support portion that is away from the bottom of the annular groove.